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IBM Netezza Performance Server V11.x Administrator Questions 47–51 (page: 5)

Which two cross-database SQL operations are allowed?

  1. DELETE
  2. ALTER VIEW
  3. CREAE TABLE
  4. REVOKE

Answer(s): C,D



Which two scenarios can be addressed using the nz_check_disk_scan_speeds command?

  1. check system status
  2. get skew information distributed across disks
  3. see disk read and write speeds
  4. slow performing SPU or drive
  5. get disk storage utilization details

Answer(s): B,E



Which two commands will show a query plan without running the query?

  1. nz_plan querytext
  2. EXPLAIN PLAN FILE querytext
  3. EXPLAIN PLANGRAPH querytext
  4. EXPLAIN querytext
  5. nzsql -t querytext -0 planfile.pln

Answer(s): A,D



What is the maximum length of a CHAR/VARCHAR column?

  1. 65.535
  2. 32.000
  3. 64,000
  4. 16.000

Answer(s): A



How does IBM Netezza Performance Server store data?

  1. Tables are distributed across all data slices compressed
  2. Tables are distributed to a single data slice compressed.
  3. Tables are distributed across all data slices uncompressed.
  4. Tables are distributed across a subset of data slices uncompressed.

Answer(s): A



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